The laying window at the Bluff runs May to September — colour needs seven dry days above four degrees or it checks by the first frost. Snowline readings open in April: (555) 035-7782.
The Tufa Range doctrine
Cold is a schedule problem, not a reason
Mountain stucco is lowland stucco with the water disciplined and the calendar respected. The scratch goes on with a cold-weather admixture in the shoulder months, the brown cures under a heated tent when the night dips, and the colour waits for a genuine warm window — because freeze-thaw does not crack walls that never held the water in the first place. Joints at every floor line, weeps at the grade, two layers of paper behind furred lath: the parts the frost tests are the parts nobody photographs.
What we do
What we lay at altitude
Cold-weather three-coat
The full system — scratch, brown and integral colour over paper and furred lath — laid inside the mountain’s calendar. Tented and heated cures when the night threatens, admixture-dosed scratch in May and September, and a brown coat rodded plumb to a string that stays up until the wall is true. Walls up here fail from water held in, so every lay drains: weep screed at the grade, joints at every structural break, kick-outs the original builder skipped.
EIFS with the envelope sealed
Foam, mesh and coatings over a weather barrier — insulation that earns its keep in a Range winter and keeps score on every bad detail forever. Vapor drive at 8,000 feet pushes hard both ways through a season, so the envelope is sealed, drained and weeped to suit the exposure, and every opening is cut by the moisture map rather than the eye. The insulation stays on the house; the water detail gets fixed in the same cut as the damage.
Thaw stitching & patch-match
What winter cracks, the short summer mends: fractures V-cut, grouted and meshed until they disappear, and patches matched to the tone, the sand grain and the texture of the field around them. On the old miner’s cottages we consolidate in kind with lime instead of replacing — a century of freeze-thaw is worth keeping, and the probes usually say the wall is sounder than it looks.
How it goes
The snowline calendar
The same sequence on every job — the only variable is your project.
April
The reading
The snow clears, the probes come out — moisture at the trim, corners and grade, the frost damage mapped crack by crack, and the joint survey drawn on every elevation. The panel is mixed the same week.
May
Water details & lath
Flashings, kick-outs and sill pans corrected the moment the frost allows, then two layers of paper, furred wire and the weep screed. Every inch of it is the anti-freeze system the wall will live by.
June
Scratch between cold snaps
Admixture-dosed, thrown stiff in the warm half of the day, scored horizontal — and tented overnight without exception. The mountain gets a vote on the schedule; it does not get a vote on the cure.
July
Brown, rodded & tented
The coat that IS the wall: rodded plumb, floated to tooth, corners struck, cured seven days under tent and heat if the night dips. Two millimetres is the tolerance; the string is the judge.
August
The colour window
The settled weeks the integral colour waits for — one batch, one continuous wet edge per elevation, fog-cured against the alpine drying wind. Seven dry days or it does not go on. It always has, so far.
September
Wash-down before the frost
The wall gets its wash, its photographs and its file a full month before the first hard freeze — because year one is the winter that decides whether the next fifty go quietly.
Posted at the yard gate each April
The rate sheet, snowline edition
Mountain work costs what the calendar costs — tented cures, admixtures and short windows are in every line, not added after. The $320 reading comes off any work booked within a year, and the quote is a ceiling the frost cannot lift.
New three-coat, tented season$16.20 / sq ft
Scratch, brown, integral colour — heated cures included
EIFS renewal, by the map$44 / sq ft
Envelope sealed, drained and weeped for the Range
Mineral re-colour, silicate$4.05 / sq ft
The August window, one wet edge per elevation
Expansion joint, cut & sealed$32 / lin ft
At every floor line and structural break
Thaw stitching, V-cut$19 / lin ft
Grouted, meshed, matched to the field
Lime consolidation, pre-1940$13.40 / sq ft
Miner’s-cottage render re-bonded in kind
Snowline reading & panel$320 flat
Frost-damage map, joint survey — credited
From the snowline book
Range walls, 2025 — 2026
Can you really stucco in this climate?
The Range has been doing it since the mining company built the first cottage — the question is whether it is detailed for the frost. Water is what freezes; our walls hold almost none of it: two layers of paper, furred lath, weeps at the grade, joints at every break, and coatings cured inside their window. The gauge counts two hundred freeze-thaw cycles a year, and the 1911 faces we maintain prove the system outlasts the argument.
Why do expansion joints matter more here?
Because the wall moves more — thermal swing at altitude runs forty degrees in a day, and stucco is rigid while the frame under it is not. A sealant joint at every floor line and structural break gives that movement somewhere designed to go; without one, the movement picks its own place, every winter, until you learn its habits from the crack pattern. Joints placed by the trowel’s reach rather than the structure’s steps are decoration, and the frost finds them.
Does EIFS survive a Range winter?
Detailed for it, superbly — the insulation is exactly what a heating bill up here wants. The two failure paths are water behind the foam and vapor driven the wrong way, and both are detailing questions: sealed envelope, drained cavity, weeps at the base, sills that shed. We scan before we quote and open only what the map condemns.
How do you match colour when the sun is this harsh?
With a panel that has lived through the weather. Ultraviolet at altitude shifts tones fast, so candidates cure on your wall for weeks — frost, glare and alpine drying included — and the batch answers to the survivor, not to the swatch. The 1911 greys we match every few years have not drifted a shade.
What happens if the frost comes early?
The calendar moves and the clause holds. Colour not yet laid waits for spring — laid colour gets tented and heated through its cure at our cost, because we chose the window. In thirty-four seasons an early frost has cost us schedule, never a wall; the rate sheet already contains the tent.
The yard phone
Snowline readings from April, emergency thaw-stitching through the season, and a duty phone all winter for walls the frost opened overnight. The $320 reading comes off any work within a year — including the ones where the verdict is: the wall wants for nothing but a wash. walls@tuftarange.example
The tram station had eaten three paint systems in fifteen years — the frost was through the block before we called. Tufa Range papered, lathed and weeped the whole south face, cut joints at every floor line, and laid colour in one August week. Two winters on, the straightedge sits flat against the wall at dawn and there is not one new line in it.
They stitched the thaw cracks on our 1908 cottage in lime, matched the tone off a panel that cured on our own porch through a September frost, and told us the gable needed nothing else — which the probes proved. The reading document alone was worth the call; the wall is now the best-insured thing we own because of it.
Our EIFS gable was condemned by one bid and painted by two owners. Their scan showed dry foam and one leaking sill — renewed in a day, matched so well the county assessor photographed it, and the envelope was resealed and weeped the same week. The heating bill dropped the very next winter, which nobody had promised.
The Range, in figures
Get the wall on the calendar
Tell us the age of the house, which face the weather comes from and what the last winter did to both. The $320 snowline reading — frost-damage map, joint survey and a panel left curing — comes off any work that follows. walls@tuftarange.example