Home / Product Family / VLW Lightweight Underlayment / #0667: VLW Type III Underlay – Part A (Separate Primer Required) #0667: VLW Type III Underlay – Part A (Separate Primer Required) SKU: 0667 Categories: Approvals, Military, VLW Lightweight Underlayment Request a Sample Search Military Specs Contact Product Specialist Description Description VLW Type III Underlay – Part A (Separate Primer Required)