USG STRUCTO-LITE 163841 Basecoat Plaster, Powder, Low to No Odor, Off-White, 50 lb Bag

USG STRUCTO-LITE 163841 Basecoat Plaster, Powder, Low to No Odor, Off-White, 50 lb Bag

SKU: 2055473

Brand: USG

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USG STRUCTO-LITE® Basecoat plaster is USG's lightest and most highly insulated basecoat plaster and is ideal for locations where an aggregate is unavailable. USG STRUCTO-LITE® basecoat plaster is mill-mixed, perlite aggregate gypsum that weighs half as much as sanded basecoat plaster and provides thermal conductivity.

Product Details


Manufacturer's Part Number: 163841

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Product Features

  • Improved insulation
  • Lightweight plaster, weighs less than half as much as sanded plaster
  • Ideal where it is not desirable to mix aggregate with plaster on the job
  • Mill-mixed perlite-aggregate gypsum plaster, requires only the addition of water at the jobsite
  • Excellent for areas requiring highly insulated plaster, provides K factor of 1.74, three-times the insulation value of sanded plaster

Product Specifications

Application Method Hand, Machine
Application Temperature >55 deg F
Color Off-White
Compositions Plaster of Paris (Calcium Sulfate Hemihydrate CAS 10034-76-1), Perlite, Crystalline Silica (Quartz)
Compression Strength 700 psi
Container Type Bag
Coverage Area 140 sq-ft Gypsum Lath, 89 sq-ft Metal Lath, 109 sq-ft Unit Masonry sq-ft
Density 45 to 55 lb/cu-ft
Flammability Rating 0
Form Powder
Net Content 50 lb
Odor/Scent Low to No Odor
pH Range 6 to 8
Specific Gravity 2.4 to 2.8
Temperature Rating >40 deg F

Product Documents

SDS Click here to download
Specification Sheet Click here to download