Sarking Felt Roof

The use of wood panels or sarking boards called sheathing sheeting or decking in american english under the roof covering materials such as the shingles of a roof to provide support.

Sarking felt roof.

Roof tiles or other covering. Having no under felt unless there are missing slates will not cause rot. Is this going to be a big. Big job expensive any advice and many thanks.

Thermoseal reflective foil roof sarking is a non permeable vapour barrier to reduce the transmission of moisture into the home and contribute r value to the roof system. Sorry i left off last of question. Obviously the roof is original ie never been re slated. Enviroseal proctorwrap roof sarking is vapour permeable allowing water vapour to pass through it whilst preventing the entry of.

Traditional bitumen sarking felt is the cheapest option for roofing underlay and is readily available. It is slightly different from flat roofing felt as it includes a strong woven base but it can become brittle over time and can rot into the guttering where it has been exposed to sunlight. Sarking boards with a gap of 2 3 mm between each one. If this felt is either incorrectly situated i e.

The felt i assume it s felt inside the roof area of my 4 bed house although the forth bed is a newish extension is hanging of in places. The roof does not leak at all and there is no signs of there being any moisture coming through but it does trouble me. Roof is lined internally with sarking felt hence roof is lining is torn in places. The original sarking felt on the pitched roof of my 1950 built house is brittle and in a number of places torn right through so that i can see feel the under side of the roof tiles.

Before using felt the slates were back pointed with sand lime cement and horse hair mix. Sarking boards are softwood boards generally about 150 mm wide that are attached to the rafters of a pitched roof to give extra strength to the overall structure of a building. The bottom course of felt on a roof called sarking felt ensures that all of the rainwater is correctly channeled into the gutter by protecting the eaves from any wind driven rain. It does fall off over the years.

Sarking felt is to prevent dust and draughts blowing under the slates. The term sarking can also refer to a pliable membrane such as a layer of felt polystyrene or reflective foil that insulates or reflects heat and can provide extra weather resistance. They needn t be used in every application and instead their use largely depends on where in the country you are based and what type of construction you are building. Trapped behind the guttering or if it is badly weathered it needs to be replaced.

Sarking is an english word with multiple meanings in roof construction. Roofing felt is essential to ensure your outbuilding is ready for all weathers by providing a waterproof cover to the building s roof. Ideal for an apex flat or pent roof shed felt and roofing membrane are durable and perfect for a newly built structure or to re cover existing roofing material.