Video by fixmyroof. 2. roof shingles wide choice of colours and designs. like roofing felt, bitumen shingles are a low cost, but very reliable type of shed roof covering that can be easily installed on a shed with simply a hammer, knife and some nails.. The reason most sheds have a roof covering of bitumen mineral felt is that it has the lowest initial cost. in my opinion, if you are going to the trouble of building your own shed, it is worth investing in a more durable roof covering. sheds have a small roof area so any increase in cost will be small.. Permaroof in a box
