b"Acurlite Structural Skylights, Inc.20 Installation Manual 21Scale 1/8Install pressure cap using fastener provided Install cover cap and apply sealant and toolApply sealant over screw head and toolReference page 14All surfaces receiving silicone should be properly cleaned and primed per sealant manufacturer's recommendations.DOWSIL products or equivalent must be used. Please check with sealant manufacturer for compliance.www.acurlite.com570.759.6882"