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Question
I'm re-roofing my home with composite shingles. A contractor friend tells me that I should use 1/2" tongue and groove plywood, but the local lumber store says it's not made. The lumber store tells me that H clips are just as good. I guess I can go up to 5/8" but with 24" centers on the roof joists, I'm concerned about the weight. T&G is usually used for sub floors so I don't see anything on the internet regarding it's use in roofing. I'd appreciate your thoughts.
Hi Paul, for 24" spacing I recommend 5/8" CDX plywood with H-clips. Every type of plywood is stamped with the recommended spacing, nailing, and gapping between sheets, make sure your contractor follows these guidelines. Sincerely, Bruce Johnson ..bejohnsonconsulting.com
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| Rating(1-10) | Knowledgeability = 10 | Clarity of Response = 10 | Politeness = 10 |
| Comment | Thanks for the comments. I appreciate the help. Paul | ||
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Answers by Expert:
Bruce E. Johnson
Expertise
I can answer any construction related question in regards to carpentry, concrete, drywall, masonry, structural elements of any type of building, residential or commercial. Interior or exterior.
Experience
Custom Commercial and residential buildings. Churches, theaters, schools and auditoriums. Most recently I am working with the Catholic Church on several design build committees. I have a website related to scheduling and project supervision. Although my expertise is more related to multimillion dollar commercial, educational and theatrical projects my generous credentials in residential and remodelling construction make me a viable source of information regarding all forms of building questions.
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