All Replies on Pergola type slatted roof with 1x4 slats : How to join them to frame?

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Pergola type slatted roof with 1x4 slats : How to join them to frame?

by mospamo
posted 08-10-2016 08:10 PM

2 replies so far

View tmasondarnell's profile


141 posts in 2702 days

#1 posted 08-11-2016 07:04 PM

If understand you correctly, you want the top of slats to be flush with the top of the rafters. Correct?

Unless you are using rough cut lumber, the 1×4 slats will only be 3/4 inch thick. I would not recommend notching material this thin.

You need to notch out the rafters only to accommodate the slats. It will be much easier and stronger.

Also, given the ratio of your slats depth (1) to their width (4), I would be very careful about how far you overhang the slats from the rafters. Material that thin and wide will warp very easily outdoors.

View mospamo's profile


6 posts in 2350 days

#2 posted 08-12-2016 03:40 AM

Tmasondarnell thanks for the very helpful reply.
You convinced me to just go the easy route and lay the 1×4’s down width wise on the rafters. Also, the overhang will only be a few inches.

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