Window Replacement

Select sealants that:

are compatible with their intended surfaces,

allow for differential expansion and contraction between dissimilar materials,

meet the requirements of the applicable fire safety code (e.g., thermal or ignition barriers), and

for use inside the pressure boundary select low volatile organic compound (VOC) sealants that meet independent testing and verification protocols

Select:

pest-resistant materials that adequately support applied load and are permanent air barriers,

materials that meet the requirements of the applicable fire safety code (e.g., thermal or ignition barriers), and

low volatile organic compound (VOC) materials for use inside the pressure boundary that meet independent testing and verification protocols

Select windows that meet the SHGC, U-value, and air leakage requirements of the work order

Select windows that meet the egress and safety glass requirements of the location where they are installed

Remove existing window stops, sashes, parting strips, pulleys, and weights

Insulate and seal existing window weight pockets if they will remain after new installation

Replace any damaged or rotting framing

Remove any material from the sealing area that will prevent full adhesion of the selected sealant

Remove any material from the installation area that will prevent a level and firm installation

Seal the rough opening to the wall system's air and thermal boundary with non-expanding sealants

Install flashing to direct water away from the window opening in accordance with manufacturer's instructions

Install new window in accordance with manufacturer specifications in alignment with the wall system's air and thermal boundary

Install flashing per the manufacturer's specifications

Gaps between the new window and existing opening will be sealed with low-expanding foam or equivalent sealant

Final installation will be air and watertight

Verify safe operation and size of egress windows as required by local codes