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Exteriors - GRP Chimneys

GRP ChimneysOur GRP Chimneys offer incredible realism in a variety of finishes designed to satisfy the majority of planning requirements.

Each standard height Litestack chimney has been designed to suit a standard truss detail without the need for additional timber bracing.

Litestack GRP Chimneys (Brick and Render Effect)

Our ultimate specification Lightweight Chimneys offer astounding realism without the drawbacks of Brick Slip alternatives. They can be installed on mid-ridge, gable end or mono-pitch applications.

  • Quick and Easy to install
  • No Need to Point on Brick Effect Chimneys
  • Brick Effect matches all popular brick types
  • Sample Panels despatched for approval prior to production - order with confidence
  • No need to double up on trusses (lightweight)
  • Each stack sits on a pre-fabricated base to suit most popular roof pitches
  • May be used with Class 1 Flue (at extra cost)
  • RAPRA Tested for long term UV/Weather conditions
  • Lightweight design suits Gable End, Mid-Ridge and Mono-Pitch applications
  • Fits most roof pitches
  • Robust & Weatherproof construction
  • Rapid turnaround from point of order
  • Fixing instructions with each shipment
  • No danger of falling brick slips
  • No need to create a plywood box on site
  • Vented to minimise condensation
  • Nationwide delivery
  • BRE wind tunnel tested

Versa GRP Chimneys to suit Plywood Box/Lead Flashing detail

Our original GRP chimney system offers affordable stack options for roofs with non-standard roof pitches, and require a plywood box (by others) to ensure a good weathering detail. Click here to jump to the Versa Chimney range.

  • Cost Effective Grp Chimney
  • To match most popular Render colours
  • Single and Twin Pot options
  • Lightweight 18-40kg single/twin pot standard sizes
  • Each stack is supplied with a birds mouth pre-cut to suit your roof pitch
  • Lightweight design suits Mid-Ridge and Mono-Pitch applications only
  • Robust & Weatherproof construction
  • Fits any roof pitch
  • Rapid turnaround from point of order
  • Render Effect Chimneys in larger sizes to special order if required (at extra cost - please ask)

Download an order form Download a premium range chimney order form. If you do not have Acrobat Reader on you computer it is available as a free download here.

Kent Brick Effect Single Pot GRP Chimney - from £890.00 exc. VAT
Chimneys Chimneys

Brick Effect Single Pot GRP "Chimney"

Standard size 655 x 655 x 940mm High (from apex of ridge to haunching)









light weightThe Kent brick effect chimney can be customised to suit many different planning requirements. Each chimney comes with a waterproof GRP saddle, designed to fit on mid-ridge, gable end or mono-pitch applications. Choose the correct configuration using the drop down menus.

Order with confidence knowing that we will start manufacture after getting your approval from a sample panel. Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof. Each stack is made from the visible upper stack, and a base moulding. Leadwork can be dressed into the slot provided. If you are planning on using these units with a boiler or wood burning stove we can supply 200mm internal diameter flue kits at extra-cost.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1068.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Kent Render Effect Single Pot GRP Chimney - from £890.00 exc. VAT
Chimneys Chimneys

Render Effect Single Pot GRP "Chimney"

Standard size 655 x 655 x 940mm High (from apex of ridge to haunching)









light weightThe Kent Render effect chimney can be customised in hundreds of ways. We offer a completely plain chimney in smooth or roughcast effect. The render can be supplied to match any RAL colour, with popular options being "White" and "Cream". Non standard colours can be supplied at an extra cost.

Order with confidence knowing that we will start manufacture after getting your approval from a sample panel. Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof. Each stack is made from the visible upper stack, and a base moulding. Leadwork can be dressed into the slot provided. If you are planning on using these units with a boiler or wood burning stove we can supply 200mm internal diameter flue kits at extra-cost.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1068.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Norfolk Brick Effect Single Pot GRP Chimney - from £850.00 exc. VAT
Chimneys Chimneys

Brick Effect Single Pot GRP "Chimney"

Standard size 552 x 440 x 900mm High (from apex of ridge to haunching). Plain capstone detail with corbels and mid-band in brickwork colour also available.









light weightA standard Norfolk chimney weighs just 25kg and is light enough to avoid any need for doubling up of trusses that rival brick slip stacks often require.

The Norfolk is a stylish dummy GRP chimney designed to suit smaller properties. It can be supply in a variety of different brick effects, with standard sizes offering to suit both perpendicular and parallel applications. Each stack comes with a waterproof GRP saddle, designed to suit mid-ridge, gable end or mono-pitch applications.

To make installation even simpler we also offer a pre-leaded option (at extra cost), please select this option if leadwork is not included in the roofing sub-contractors package. Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof.

We can supply 200mm internal diameter flue kits at extra-cost for use with a wood burning stove, or a 125mm internal diameter for Class 2 boiler applications.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1020.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Staffordshire Brick Effect Twin Pot GRP Chimney - from £925.00 exc. VAT
Chimneys Chimneys

Brick Effect Twin Pot GRP "Chimney"

Standard size 890 x 655 x 940mm High (from apex of ridge to haunching)









light weightThe Staffordshire brick effect chimney can be customised to suit many different planning requirements. Each stack comes sits on an integral weatherproof GRP saddle, designed to fit mid-ridge, gable end or mono-pitch applications. Choose the correct configuration using the drop down menus.

Order with confidence knowing that we will start manufacture after getting your approval from a sample panel. Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof. Each stack is made from the visible upper stack, and a base moulding. Leadwork can be dressed into the slot provided. If you are planning on using these units with a boiler or wood burning stove we can supply flue kits at extra-cost.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1110.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Staffordshire Render Effect Twin Pot GRP Chimney - from £925.00 exc. VAT
Chimneys

Render Effect Twin Pot GRP "Chimney"

Standard size 890 x 655 x 940mm High (from apex of ridge to haunching)









light weightThe Staffordshire Render effect chimney can be customised in hundreds of ways. This twin pot chimney is available in a smooth or roughcast render effect. Choose any RAL colour for a small premium, or any standard colour at no extra cost using the drop down menu.

Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof. Each stack is made from the visible upper stack, and a base moulding. Lead can be dressed into the slot provided, or select a pre-leaded stack option using the drop down menu above. Boiler or wood burning stove flue kits are available at extra-cost.  Where required the Staffordshire chimney can be supplied with two vent kits (typically suited to semi-detached dwellings). Simply select the option required and the stack will be supplied ready for on site coupling.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1110.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Warwick Brick Effect Twin Pot GRP Chimney - from £1050.00 exc. VAT
Chimneys Chimneys

Brick Effect Twin Pot GRP "Chimney"

Standard size 890 x 440 x 940mm High (from apex of ridge to haunching









light weightThe Warwick "Faux" chimney is detailed to mimic the elaborate Victorian designs. "Brickwork" and banding can be supplied to match your chosen brick stock, or to pick out the highlights with a contrasting, slate blue, smooth red, or buff (see photo above - slate blue highlights).

If the Warwick Twin Pot is being used on a development with a mix of house types with both single and twin pot applications please order the Norfolk chimney in a single pot configuration to provide site continuity. Each stack comes with a waterproof GRP saddle, designed to suit mid-ridge, gable end or mono-pitch applications.

Stacks can be supplied with venting options to suit wood burning stoves, or gas central heating boilers, simply select the option required from the relevant drop down menu. Typically allow 3-4 weeks for delivery to site. Chimneys will be sent out with fitting instructions, fitting kits, and a strap to facilitate lifting each unit onto the roof.

Do not attempt to modify a standard stack on site, select the right components when ordering.

Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below. Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge.

Our Price: from £1260.00 inc. VAT

Installation Instructions Installation Instructions: Apex | Gable End | Mono Pitch

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Versa GRP Chimneys to suit Plywood Box/Lead Flashing detail

CH01RS Render Effect Single Pot GRP Chimney - from £539.00 exc. VAT
Chimneys Chimneys

CH01RS Render Effect Single Pot "Chimney"

Standard size 565 x 565 x 1000mm High (from haunching to lowest point of stack)







light weightThe CH01RS render effect chimney can be supplied to suit most mid-ridge and mono-pitch applications. Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

Each chimney comes with integral bonded timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters. Each stack is made from the visible upper stack, and a base moulding.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge. If you wish to install a chimney in a non-standard colour we will need a separate email confirming the RAL colour. If a specific trade paint is required we suggest you order a standard white stack which will need to be "keyed" on site prior to painting (by others).

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £646.80 inc. VAT

Installation Instructions Typical Installation Diagram

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CH02RS Render Effect Twin Pot GRP Chimney - from £615.00 exc. VAT
Chimneys

CH02RS Render Effect Twin Pot "Chimney"

Standard size 600 x 840 x 1000mm High (from haunching to lowest point of stack)








light weightThe CH02RS render effect chimney can be supplied to suit most mid-ridge and mono-pitch applications. Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

Each chimney comes with integral bonded timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters. Each stack is made from the visible upper stack, and a base moulding.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge. If you wish to install a chimney in a non-standard colour we will need a separate email confirming the RAL colour. If a specific trade paint is required we suggest you order a standard white stack which will need to be "keyed" on site prior to painting (by others).

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £738.00 inc. VAT

Installation Instructions Typical Installation Diagram

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CH01XLM Render Effect Single Pot GRP Mono Pitch Chimney - from £665.00 exc. VAT
Chimneys Chimneys

CH01XLM Render Effect Single Pot "Chimney"

Standard size 565 x 565 x 2400mm High (from haunching to lowest point of stack)







light weightThe CH01XLM render effect chimney can be supplied to suit most mid-ridge and mono-pitch applications. Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

Each chimney comes with integral bonded timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters. Each stack is made from the visible upper stack, and a base moulding.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

If you wish to install a chimney in a non-standard colour we will need a separate email confirming the RAL colour. If a specific trade paint is required we suggest you order a standard white stack which will need to be "keyed" on site prior to painting (by others).

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £798.00 inc. VAT

Installation Instructions Typical Installation Diagram

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CH01R Render Effect Single Pot GRP Chimney - from £640.00 exc. VAT
Chimneys Chimneys

CH01R Render Effect Single Pot "Chimney"

Standard size 890 x 890 x 1000mm High (from haunching to lowest point of stack)







light weightThe CH01R render effect chimney can be supplied to suit most mid-ridge and mono-pitch applications.  Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

Each chimney comes with integral bonded timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters. Each stack is made from the visible upper stack, and a base moulding.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge. If you wish to install a chimney in a non-standard colour we will need a separate email confirming the RAL colour. If a specific trade paint is required we suggest you order a standard white stack which will need to be "keyed" on site prior to painting (by others).

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £768.00 inc. VAT

Installation Instructions Typical Installation Diagram

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CH02R Render Effect Twin Pot GRP Chimney - from £765.00 exc. VAT
Chimneys Chimneys

CH02R Render Effect Twin Pot "Chimney"

Standard size 865 x 865 x 1000mm High (from haunching to lowest point of stack)







light weightEach CH02R render effect chimney can be supplied to suit mid-ridge and mono-pitch applications. Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

This twin pot GRP chimney is ideal for installation on semi-detached houses with a party wall. The large plan size of 865 x 865mm gives adequate space for installation space for easily attaching galvanised straps (not supplied) which can then be braced against internal roof trusses. The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the GRP stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Price includes delivery to Mainland England and Wales, orders to Scotland incur a £25 surcharge. If you wish to install a chimney in a non-standard colour we will need a separate email confirming the RAL colour. If a specific trade paint is required we suggest you order a standard white stack which will need to be "keyed" on site prior to painting (by others).

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £918.00 inc. VAT

Installation Instructions Typical Installation Diagram

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CH01B Brick Effect Single Pot GRP Mono Pitch Chimney - from £715.00 exc. VAT
Chimneys

CH01B Brick Effect Single Pot "Chimney"

Standard size 565 x 565 x 1000mm High (from haunching to lowest point of stack)








light weightThe CH01B brick effect chimney can be supplied to suit most mid-ridge and mono-pitch applications. Choose the CH01B for single pot flat tone brick applications. Customers seeking an exact brick match should order our Kent or Norfolk stacks. The CH01B is designed to offer an inexpensive brick effect stack and is most effective on rendered properties where no close brick match is required.

Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied). Each CH01B dummy chimney features integral timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £858.00 inc. VAT

Installation Instructions Typical Installation Diagram

 

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CH02B Brick Effect Twin Pot GRP Mono Pitch Chimney - from £805.00 exc. VAT
Chimneys

CH02B Brick Effect Twin Pot "Chimney"

Standard size 865 x 865 x 1000mm High (from haunching to lowest point of stack)








light weightEach CH02B brick effect chimney can be supplied to suit mid-ridge and mono-pitch applications.  Each dummy stack is manufactured to your choice of roof pitch, with a simple bird's mouth base designed to be sleeved over a ply-wood box (not supplied).

The CH02B is best suited to render effect properties, and each "brick" is produced in a single tone. Customers seeking an exact match to a specific brick stock should choose our Warwick or Staffordshire chimney options. Each chimney comes with integral bonded timber grounds, and should be fixed securely to the roof trusses with galvanised straps (not supplied). The plywood box should be constructed to allow adequate space for a Code 4 lead dressing between the grp stack and plywood box. Prior to installation sufficient roof felt should lapped back to facilitate fixing, and this should then be fixed below the stack to allow any condensation to drain to the gutters.

All fixing must be from within the stack, and screwing from the outside of the stack into the plywood box should not be carried out in any circumstance.

Allow 3-4 weeks for delivery to site. Always ensure roof felt is run under stack to ensure any condensation can drain into gutter rather than fall on insulation below.

Our Price: from £966.00 inc. VAT

Installation Instructions Typical Installation Diagram

 

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TP01 GRP Single Pot - £49.00 exc. VAT
Chimneys

TP01 GRP Single Pot

Top Diameter 270, Base Diameter 280mm, x 330mm High



The TP01 is a mock chimney pot designed for capping off a traditional chimney which will not be used to vent a fireplace, wood burning stove or boiler.

Allow 7 days for delivery to site.

Our Price: from £58.80 inc. VAT

 

Bespoke ChimneysHouse Martin are happy to accept commissions for bespoke chimneys. Please call to discuss your requirements.

Installation Diagram - click to enlarge A detailed mid-ridge Chimney installation diagram for our Versa Chimney range   Installation Diagram - click to enlarge A detailed mono-pitch roof Chimney installation diagram for our Versa Chimney range
Installation Diagram - click to enlargeKent Chimney - Class I Flue detail (in PDF format)    

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