How-To Guide

How To Insulate Your Conservatory Roof

Difficulty: Medium • 6 steps

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Conservatories can become uncomfortably hot in summer and extremely cold in winter, making them difficult to enjoy all year round. Our Conservatory Roof Insulation Kits help regulate temperatures throughout the seasons, creating a more comfortable and usable living space while saving space and installation time compared with traditional insulation.

This How To Guide takes you through the installation process step by step, helping you achieve the best results from your Conservatory Roof Insulation Kit.

Installing ThermaFrost (Glass Only)

ThermaFrost window tint installed on a glass conservatory roof

For clear glass conservatory roofs, we recommend ThermaFrost Window Tint to create a white frosted finish and reduce sun glare by around 30%. View the installation data sheet for fitting guidance.

Not suitable for polycarbonate roofs.

Installing Timber Battens

Timber battens fixed to a conservatory roof frame

Install 25mm timber battens onto the existing uPVC or aluminium framework using our FastFix 50mm Self Tapping Screws.

Check the depth of your roof rafters first, as the screws should only penetrate part way into the aluminium frame.

Stapling The Multifoil To Battens

Multifoil insulation stapled to timber battens

Staple EcoQuilt Expert to the underside of the timber battens, creating an air cavity between the insulation and glass or polycarbonate roof.

Staple at 300mm intervals using our Heavy Duty Staple Gun and 14mm Staples.

Taping and Sealing Insulation

Taping and sealing conservatory roof insulation with foil joining tape

Tape and seal all overlaps, cuts and edges with ThermaSeal Foil Joining Tape. Be generous with the tape to create a fully sealed, high performing vapour control layer.

Installing Secondary / Counter Battens

Counter battens installed beneath conservatory roof insulation

Install 25mm counter battens beneath the insulation, fixing into the first battens with the Multifoil Screws provided.

Fix at 300mm intervals, ensuring all screws are fully countersunk.

Install Internal Finish

Finished conservatory roof with ConservaClad internal cladding

To complete the installation, fit our ConservaClad Roof Kit for a lightweight, bright and modern finish. Alternatively, install 9mm plasterboard with a light skim if preferred. Work out how much cladding you require here.

Disclaimer – Ecohome-Insulation cannot be held responsible for any losses financially or physically from advice provided in this How-To-Guide. We always recommend using good building practice when installing our products.

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