Residential
Exterior | Residential
Interior
Residential
Interior
Today the Gypsum Wall Board (drywall, sheetrock) is most commonly used on interiors. Wall board became popular in the 60's and has introduced a Veneer plaster wall system.
Veneer gypsum board over stud framing and Tape board joints with base and Fiber reinforced mesh, then apply a plaster veneer in two coats to a thickness of 1/8". First coat 1/16" scratch and double back as soon as the first coat sets. The scratch will set by time you get to the end of the wall, depending on ambient temperatures.
Interior products used by SBPCA membershipPrior to the 60's the Plaster used wood lath
- Grade 'D' paper over sheeting
- 3.4 expanded metal lath self furred continues V groove over sheeting
- 3.4 expanded metal lath at open stud framing
- Galvanized plaster trims casing, control joints, corner aids
- Gypsum base plaster with clean sand
Prior to sheetrock construction wood lath was used as the form of attachment to a stud wall. The wood lath was nailed or stapled across the wall or ceiling studs leaving a ¼ inch gap between the lath. The Plasterer would apply gypsum plaster over wood lath and key into the ¼" gaps during the scratch coat (first coat) 3/8". The Brown Coat (second coat) the leveling coat 3/8" The Finish coat over the Brown Coat to complete the Plaster wall system.
The wood lath system is not being used today. The expanded metal lath has replaced the old wood lath inside homes today that requires the plaster to add depth and intricate plaster detail as a part of the interior design