With the exception of a metal roofing system over existing asphalt shingles layovers usually require that the new layer be the same type as the existing layer.
Metal roof layover.
A properly installed layover roof can look and function as well as one installed after tearing off the existing roof and is typically more convenient and less costly.
The metal usually adds up to be a little more than shingles these days but seems the margin is growing closer and closer to a tie in cost.
If it were up to me i would tear it all off and install new osb.
A roof overlay is done when the second set of shingles is placed on top of an existing layer of shingles on a roof.
A layover is the installation of a new layer of roofing over an existing roof.
Layover may be a good option for those homes whose asphalt shingled roof is old enough to be replaced but the overall structure of the roof is sound.
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440 west fallbrook avenue 105 fresno ca 93711 united states.
Sure like metal compared to shingles tho myself.
They also last longer and stand up to foul weather better than shingles.
I have a client who wants to go with metal on a barn.
For every 100 square feet of roof one layer typically weighs somewhere between 200 350 lbs depending on the type of shingles.
In this video i take show how to proper recover an old roof and make it look like it s a single layer check it out you might find useful tips for your new.
Hard to make a metal roof look perfect thta s on old construction.
Although many metal roof.
After that both layers of shingles must be removed and a new set of shingles placed on your roof decking.
The problem is the roof currently has 1 layer of comp shingles over 1 layer of wood shingles on space decking.
Because of the extra weight caused by two layers of shingles only one overlay can be done on a roof.
The layover may be a choice if there have been minor leaks but no significant damage due to leaks and there are no issues with mold mildew moss fungus or other growth.
Call us today for a free estimate 303 421 roof 7663.
Metal roofs offer energy savings but do cost more upfront than traditional asphalt shingles.