mig ) said...

I plan to put drywall 'texture' on the walls. Should I prime the
drywall with paint first?, then apply the texture?, and then paint
over the mud texture... or can I skip priming the drywall with paint
and just put on the mud texture and paint over that.

I would recommend priming first. A primer is not ordinary paint, it is a
sealer. When drywall is used, joints and nails/screws are covered with
mud, leaving you with a surface of varying consistencies.

Ordinary paint, as well as texturing material, contain moisture when
applied and must dry and cure. The drying and curing are effected by
the rate that moisture leaves the material that is drying and curing.
When the surface has been primed/sealed, anything applied will dry or
cure evenly across the surface. Factors like temperature and humidity
that effect the drying and curing will effect the entire surface evenly.

On an unprimed drywall surface, locations with mud tend to pull water
out of the finish (paint or texturing) and the differinig drying/curing
rate on these spots can often be seen in the finish.

--
Calvin Henry-Cotnam
"I really think Canada should get over to Iraq as quickly as possible"
- Paul Martin - April 30, 2003
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