I recently had new shingles installed on my home. Now I find that I need to remove a section of vinyl siding and replace a large window on front dormer. enter image description here

I am concerned about damage being done to the new roof during the process involving ladders and lots of foot traffic.

How should I protect my roof during the process?

  • What kind of shingles are these? If you use scaffolding instead of ladders, would that reduce traffic on the roof? Or is the siding to be replaced above a section of roof? – Jim Stewart Apr 14 '18 at 0:39
  • @JimStewart asphalt with fiber glass core architectural style – Kris Apr 14 '18 at 0:51
  • @JimStewart yes I have to be on the roof to access the window and siding – Kris Apr 14 '18 at 0:52

Yes. You would want to protect the shingles if there is to be a lot of foot traffic on the roof. A good way to provide that protection is to get a couple sheets of 1/2" plywood which you lay over the shingles. You can also cut the plywood to size in the case that whole sheets do not cover the work area. The plywood does need to be secured in place so that it does not slide off the roof slope.

One way to secure the plywood is to install some roofing scaffold brackets at the lower edge of the roof.

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These brackets are secured using two or three roofing nails through the angled slots. Ideally on a warm day a shingle tab can be carefully lifted up and the nails installed under the tab. Later when the bracket is removed it slides off the nails and then they are hammered down flat and covered over with a dab of roofing sealer and the shingle tab folded down flat.

The plywood can sit down against the bracket directly or a flat 2x6 is laid across the brackets and then the plywood sheets are placed just above the flat 2x6. One advantage of the 2x6 is that it is thicker than the plywood and provides an additional edge for security when getting onto or off the roof from/to the ladder.

Even better than a ladder would be to stack some regular scaffolding brackets from the ground up to the roof level edge and use that as the means to gain access to the roof.

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  • 2
    I agree, but lay down some painters tarps under the plywood. Even plain plywood will tend to grind away at the bottom edges of the shingles. – isherwood Apr 14 '18 at 12:48

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