Roof Tile Spray Insulation

Poor ventilation equals condensation.

Roof tile spray insulation.

Moisture from indoors can diffuse through the foam and find the cold roof sheathing where it accumulates and eventually rots the roof. Both papers basically came to the same conclusion. This spray applied plastic is known to be highly effective for sealing any cracks as well as resisting wind and heat. Similar to loose fill though this is a liquid that when applied becomes a durable layer of foam insulation.

This method known as torching was developed to improve weatherproofing and to help prevent tiles and slates blowing off. The expanding spray foam insulation is designed as an insulating sealant for air leakage control for the insulation of cavities and joints within the envelope of a building. A 50mm air gap does not need to be left between the insulation and the tiles. It can be fairly messy so benefits from having experienced crew do the installation.

This minimises the issue of cold air meeting warm air. Spray foam insulation can be applied between the roof rafters to insulate the roof in newly converted lofts or to insulate roofs in new builds. The spray foam insulation then bonds the slates and tiles together to prevent unwanted moisture wind heat and cool air from seeping in. 1 the spray on foam salesman s pitch goes something along the lines of that the spray foam stops tiles and slates from slipping and strengthens the roof by holding them in place.

However there are still some issues with spray foam insulation on the roof that can be avoided. 3 it creates a dry clean useful loft space. Two material options called open and closed cell foam where closed cell foam is more dense greater r value and much more expensive. Open cell spray foam insulation is risky in all climate zones we already know open cell spray foam is risky in cold climates.

2 increases the insulation in a roof and protects water tanks and pipes from freezing. Spray foam insulation roof undercoating advice sand lime mortar reinforced with animal hair was applied to the backs of tiles and slates for hundreds of years before roofing underlay was invented. The foam is applied to the underside of your roof deck and directly onto the slates and tiles. For loft insulation simply spray the foam on the underside of the roof tiles to insulate the roof and to seal against tile slippage.