Weight of Reclaimed Spanish Tile
Weight of Reclaimed Spanish Tile
(OP)
I have a question that I was hoping everyone could help me with. On one of our projects we are using a spanish tile roof that will be made using reclaimed double-barrel tiles (i.e. no S-tiles). Per ASCE 7 the assumed dead weight of these tiles is 19 PSF. However, every tile manufacturer we've contacted (3 of them) have told us that these tiles are in the installed weight of 12-13 PSF (including overlap and mortar). Does anyone know why ASCE 7 uses 19 PSF for spanish tile? It seems like its on the high side. It's what we used in our structural calculations but are now being challenged by our architect for overbuilding.






RE: Weight of Reclaimed Spanish Tile
Maybe the ASCE number includes the underlayment and plywood. Or is it possible that ASCE is giving a number for the staged tiles (during construction) to be safe? Even though they spread the loads out, they are in heavy little packages.
RE: Weight of Reclaimed Spanish Tile
RE: Weight of Reclaimed Spanish Tile
As engineers we are allowed to make "informed" decisions!!
RE: Weight of Reclaimed Spanish Tile
Modern tile can be extruded thinner since the controlled firing conditions do not cause as much distortion.
The method of sampling and weighing the subject tiles to be used is the only logical way to go if the OP is signing off.
Dick
Engineer and international traveler interested in construction techniques, problems and proper design.
RE: Weight of Reclaimed Spanish Tile
RE: Weight of Reclaimed Spanish Tile
Your number of 19 psf seems reasonable to me.
RE: Weight of Reclaimed Spanish Tile