|
i have roofed in MI In MO IL and KY and have seen u 5 layers first one ceader usually i hate to " lay over " if you use a good shingle usually not what you buy at lowes it could be ok but all cheap shingles life are cut in at laest half when you lay over. if you go more than 2 layers its not good on roof or house. it was actully my moms house that 5 on it and the nihgt i tore them all off the house poped and cracked all night siging that fianlly the load was off.. if you have a very unsteep pitch ( less that 6) i would not recomend layover a couple said it was more expensive to do the next time when you tear off but its also more expensive now to tear off... my rule is this if your only gonna be there 5 years do it.. if not tear off now and do it right..
|