The Greenstone Home Reference mark: a square quarry tile carrying the letters G R.

Greenstone Home Reference

Working notes on repairing, insulating and upgrading older masonry houses.

All articles

Fifteen notes, grouped by topic. Dates are the day each note was last worked on.

Insulation & Air Sealing

How heat and air actually leave an older house, and what changes inside a wall or roof once you slow them down.
NoteLast worked on
Where air leaks hide in an old house2015-03-11
Insulating a brick wall from the inside2015-02-02
Attic and roof insulation basics2014-11-19

Windows & Doors

Openings leak far more per square metre than the walls around them, and most of that is repairable without replacement.
NoteLast worked on
Repair or replace old sash windows2015-01-22
Weatherstripping a door that still fits2014-12-08
Storm windows and interior panels2014-10-30

Heating & Ventilation

Two separate jobs that share the same rooms: getting heat where you want it, and moving moist air out before it condenses.
NoteLast worked on
Why radiators heat unevenly2015-04-06
Ventilation for kitchens and baths2015-02-27
Balancing forced-air registers2014-09-24

Plumbing & Water

Knowing what you can isolate, and what changes when you reduce flow at the fixture rather than at the main.
NoteLast worked on
Reading a shutoff valve layout2015-05-14
Low-flow fixtures and water pressure2015-03-30

Masonry & Exterior

The rule that governs almost every masonry repair: the material you can replace must be the one that fails first.
NoteLast worked on
Repointing mortar and why hardness matters2015-06-02
Diagnosing damp in a basement wall2015-04-21

Millwork & Finishes

Repairing and matching original timber detail, and the order of operations that keeps a repair from becoming a replacement.
NoteLast worked on
Stripping and repairing original trim2015-01-08
Matching a missing moulding profile2014-12-16