Underlay

Shed roof felt underlay provides crucial waterproofing and durability for non-habitable garden buildings, with options including traditional felt, polyester-reinforced membranes, torch on and self adhesive The choice depends on factors like roof pitch, budget, and desired lifespan.

Torch-On Underlays are typically finished with sand on the top and are surfaced on the underside with a thermofusible film to allow for torch application.