Practical guidance on windows, doors, glass and waterproofing
Notes from the work we actually do — what fails, what is worth repairing, and how to specify things so they last. Written for homeowners, building managers and contractors alike.
Local Law 97 penalties are live at $268 per metric ton over cap, and the limits tighten sharply in 2030. What LL84, LL33, LL87 and LL97 each require, what non-compliance costs, and where envelope and glazing work genuinely moves the numbers — including the glass-only replacement route most owners do not know exists.
Read the article →Most windows people call us about are not broken — they are dirty, dry or slightly out of adjustment. Here is what to try first, which faults are cheap repairs, and the specific signs that genuinely mean replacement. Plus the best time of year to do the work.
Read the article →Sill pans, end dams and the interface between the frame and the wall. Where water actually gets in, and why resealing the outside rarely fixes it.
U-factor, SHGC, visible transmittance and STC, explained in plain terms — and which ones matter for which room.
Ask us directly. If it is a good question we will probably write it up.
