b'Acurlite Structural Skylights, Inc.12 Installation Manual 13 The top of the curb should be flat and free of Acurlite personnel marks fastener locations on sill any defects.pans and drills location for projects with masonryThe curb should be fully waterproofed prior tosubstrate.installing the skylight.If great care is taken during the layout and installationThe waterproofing is not the responsibility ofprocess of the sill pans it will make installation of the Acurlite. frame much easier. The connections and fasteners are designed by If any temporary fasteners are required to ease a professional engineer.Substitutions of anyinstallation of the sill pans be sure to either materials or fasteners is strictly prohibitedthoroughly seal the heads of those fasteners or remove without the written consent of Acurlite. them, once installation is complete, and thoroughly seal the hole.Any temporary installation fasteners should be kept to a minimum. Prefabricated end dam seal joint in field. Curb not by AcurliteSill PanCurb (makeup varies per project)Waterproofing (must wrap up and over curb)Out of curb Splice PlatePrefabricated corner Section A-A seal joint in field.Examine curb make up.If the curb makeup is not consistent with what is indicated on the shop/ erection drawings please contact the factory immediately.Attachment of the skylight to a substrate otherthan what the connection was designed for is strictly prohibited without the written consent of Acurlite. Check the dimensions of the curb.These dimensions are typically referred to asOUT TO OUT OF CURB.Compare these dimensions to your shop/erection drawings.If these are not consistent with thedimensions indicated on the drawings please contact the factory immediately.Attachment of the skylight in a location other than what was designed is strictly prohibited without the written consent of Acurlite. Check the curb for square. Some typical ways of doing this are the 3-4-5 Triangle Method and/or taking diagonal gauge Apply a generous bead Apply sealant to top of curb andSet splice plate overcheck dimensions. set sill pans in sealant.Usingof silicone on either sidejoint.Apply silicone two generous beads, one towardsof joint.Approximatelyalong each edge ofCheck the curb for level. the outside of the curb and one1 1/2" away from joint. splice plate and tool. If using a level the longer the better.towards the inside. If the elevation of the curb or certain part of the skylight is critical it would be good practice to use an auto level. All 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'