How-To Guide

How To Convert Your Garage Into a Workshop

Difficulty: Medium • 10 steps

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Our Easy to Install, DIY Insulation Kit is the perfect solution for converting your garage into a useable working space that you can use all year round. Proven to be Warmer in Winter, Cooler in Summer, our EcoQuilt Expert Insulation is the highest performing multifoil when measuring cost vs performance.

Walls: Install Battens

25mm timber battens fixed vertically to a garage wall

Fix a minimum of 25mm timber battens vertically to the wall, spaced at 400mm to 600mm centres.

We recommend using 25 x 38mm treated timber battens, fixed onto the walls at 300mm intervals.

Walls: Staple Insulation

Stapling EcoQuilt Expert insulation to wall battens

Staple the EcoQuilt Expert to the internal side of the battens, creating an air cavity between the wall and insulation.

We recommend stapling at intervals of 300mm or less and overlapping the insulation by 50mm.

Walls: Tape and Seal

Taping and sealing insulation seams with ThermaSeal foil tape

Tape and seal the EcoQuilt Expert using ThermaSeal Foil Tape (provided in the Insulation Kit) along the perimeter, overlaps, and any cuttings or holes made in the product. This ensures the insulation acts as a high-performing vapour control layer, eliminating the risk of condensation.

Walls: Install Second Battens

Installing secondary counter battens over the insulation

Install secondary 25mm battens over the insulation.

We recommend fixing these at minimum centres of 400mm. They can be installed vertically or horizontally.

Walls: Install Internal Boarding

Fixing plywood internal boarding to the battens

Fix your chosen internal boarding to the secondary battens. You will have created a cavity either side of the insulation, so the foils can perform and reflect properly.

We used plywood for this guide, but plasterboard or cladding can also be used.

Repeat Steps on the Roof

Stapling multifoil insulation to roof rafters

Staple the multifoil insulation directly to the underside of the roof's timber rafters or joists before taping and sealing using ThermaSeal Foil Tape.

A secondary counter batten and internal boarding can then be applied — or the insulation can be left exposed if preferred.

Floor: Lay FloorFoam

EcoTec FloorFoam laid on the garage floor

Lay the EcoTec FloorFoam directly onto the wooden or concrete floor and adhere it into place using a non-solvent adhesive, double-sided tape, or a staple gun.

We recommend butt joining the insulation rather than overlapping it, to keep the floor level.

Floor: Taping and Sealing

Taping and sealing EcoTec FloorFoam joints

Tape and seal the EcoTec FloorFoam using ThermaSeal Foil Tape. This ensures the product acts as a damp-proof membrane, eliminating the risk of condensation forming.

Tape along all butt joints, the perimeter, and any pipework or cuttings to create a complete seal.

Floor: Laying Flooring

Rubber floor tiles laid over FloorFoam insulation

Finally, you can now lay your internal garage flooring. As this garage is being converted into a workshop, we have used rubber floor tiles, which are very easy to install.

Disclaimer – Ecohome Insulation cannot be held responsible for any losses financially or physically from advice provided in this How-To-Guide. Recommended fixing materials and good building practice should also be used when undergoing any building works.

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