| Item | Value |
|---|---|
| Ceiling screws (16″ o.c.) | 200 mm edge / 300 mm field |
| Ceiling screws (24″ o.c.) | 200 mm edge / 200 mm field |
| Wall screws | 200 mm edge / 300 mm field |
| Joint stagger | ≥ 300 mm between sheets & layers |
| Control joints | Every 9 m uninterrupted run |
| Floating angles | No fasteners within 200 mm of corner |
| Resilient channel | RC-1; screws at 300 mm; never short-circuit to stud |
| Level | Description | Church Use |
|---|---|---|
| 0 | No tape/compound | Concealed, non-rated |
| 1 | Tape embedded | Fire-rated plenums, shafts |
| 2 | Tape + 1 coat | Behind tile/cabinets |
| 3 | Tape + 2 coats | Heavy texture, wallcovering |
| 4 | Tape + 3 coats, sanded | Default: corridors, offices |
| 5 | Lv 4 + full skim coat | Sanctuary, raking light |
| Primer | Use |
|---|---|
| PVA drywall | All new drywall — full coat required |
| Shellac (BIN) | Stain blocking: water, smoke, knots, marker |
| Bonding | Glossy/non-porous surfaces |
| High-build | Fill minor imperfections, MDF grain |
| Masonry (block filler) | CMU, concrete; alkali-resistant |
| Flat/Matte | Ceilings, low-traffic sanctuary walls |
| Eggshell | Corridors, classrooms, offices |
| Satin | Nurseries, children’s rooms, fellowship |
| Semi-gloss | Trim, doors, washrooms, kitchens |
| High gloss | Feature accents only (Lv 5 required) |
| Item | Value |
|---|---|
| Roller nap (smooth) | 10 mm (Level 4/5) |
| Roller nap (light tex.) | 13 mm |
| Roller nap (knockdown) | 19 mm |
| Airless tip (int. latex) | .017″–.021″ / 1200–1800 PSI |
| Airless tip (ext. masonry) | .025″–.031″ / 2000–2500 PSI |
| Spray gun distance | 300 mm (12″), 50% overlap |
| DFT interior latex | 1.5–2.0 dry mils/coat |
| DFT elastomeric | 10–16 dry mils/coat |
| Type | Weight | Church Use |
|---|---|---|
| Type I | 7–13 oz/yd² | Offices, prayer rooms |
| Type II | 13–22 oz/yd² | Default: corridors, fellowship, nursery |
| Type III | 22+ oz/yd² | Gyms, kitchens, youth rooms |