Types of Roofing Felt

Roofing felts can be classified by:-

(a) Type of carrier sheet and surface coating
(b) Method of Application

(a) Type of carrier sheet and surface coating

Roofing Felts can have Glass Fibre or Polyester carrier sheets. The top, or weather surfacing, may be a bitumen that has been modified with a Styrene derivative or with Actactic Polypropolenes. Some types of roofing felts have surfaces pretreated with small sized mineral aggregates.

(b) Method of Application

Cheaper types of roof-felt are often used for buildings of minor importance such as garden sheds and summer-houses; these felts can be fixed with large headed roofing nails that secure overlaps and ridge runs to timber below.

For residential and commercial buildings the preferred method used to be the preferred method used to be “Roll and Pour” where a hot liquefied bitumen is poured onto the roof substrate and the roofing felt is then rolled out onto the heated bitumen and tamped in.

“Torch–on” felts are attached by using a flame torch to melt a bitumen coating on the back of the felt; the felt then has to be rapidly applied to the roof substrate before the backing loses heat and the plasticity required for proper adhesion.

Whatever the types of roof felt and its method of application, Rubba-Roof cold-applied, liquid roofing compound offers a modern, practical and economical alternative.

Rubba-Roof is easy to apply, saves time,
saves money & lasts longer!



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