Notes from the atelier
The Vetrova blog.
On glass, hardware, and the rooms we work in. Indian context, made to the millimetre.

Antique-mirror grout-line sealing and Bangalore's seasonal pH swing: why the pre-monsoon protocol differs from the post-monsoon maintenance in a Rajajinagar backsplash
Bangalore's seasonal water chemistry swings from neutral to alkaline. Antique-mirror backsplash grout sealing must follow two distinct proto…
Pool-mosaic grout-line width and the chlorine-pH rebound cycle: why 2mm survives Bangalore's April chlorine spike better than 2.5mm in a Kalyan Nagar lap pool
Post-monsoon chlorine treatment in April raises water pH to 8.8, softening grout. Narrower joint lines offer less surface area for chemical …

Feature wall textured glass and the cavity-diffusion asymmetry: why north-facing fluted glass needs 200mm depth, not the standard 150mm, in a Domlur living room
Fluted glass diffuses light unevenly on north-facing walls. We explain why 200mm cavity depth—not the standard 150mm—is required to balance …

Glass-and-steel railing newel-post bolting on a Yelahanka spiral staircase: when the 40mm sphere rule collides with tolerance stacking at the base plate
The 40mm sphere rule meets base-plate tolerance stacking. When bolting a frameless glass railing to a spiral staircase newel, oversized hole…

Frameless shower glass at the thermal-expansion threshold: why winter monsoon closure demands a 0.8mm sealant depth in a Koramangala ensuite
Bangalore's winter monsoon humidity cracks standard 0.5mm frameless shower joints. Here's why 0.8mm sealant depth is the threshold specifica…

Backlit lacquered-glass feature wall and the cavity-depth paradox: why 220mm beats 150mm in north-facing rooms, but only with the right diffusion pattern
North-facing Bangalore living rooms need deeper LED cavities than standard specs. A 220mm recess with the right diffusion pattern beats shal…
Pergola glass and the October wind-pattern shift: why deflection tolerance changes mid-autumn
Bangalore's October wind patterns don't follow textbook assumptions. Pergola glass deflection tolerance—and the glass thickness you specify—…

Frameless shower niche and the 45-degree joint creep: why sealant movement exceeds water ingress
Perpendicular sealant joints at frameless shower niches experience greater movement than parallel seams—and it has nothing to do with water …

Frameless shower glass and Bangalore's silica-rich groundwater: why polished edges pit faster than bevelled
Bangalore's mineral-rich groundwater attacks polished glass edges faster than bevelled. Here's the engineering reason, and why edge finish m…

Back-painted glass backsplash and the curved-substrate adhesion stack: when drywall deflection breaks the bond
A curved substrate breaks the adhesive bond. Architects must measure drywall deflection and specify reinforced adhesives before the backspla…

Backlit feature wall and the monsoon relay hesitation: why SmartGlass dimming fails in high humidity
A backlit feature wall that dims a half-second late is a backlit feature wall that fails. Here's why monsoon humidity introduces relay lag i…

Glass-and-steel railing and the mid-rise wind-tunnel effect: why the 12th floor needs thicker glass
Wind accelerates through the built form. At 12 floors, your railing glass needs to be thicker than spec. Here's why, and how to adjust.

Pool-mosaic grout and the post-monsoon alkalinity rebound: why the pH 8.5 spike breaks epoxy in April
After monsoon, Bangalore's pool-mosaic grout chemistry shifts. A pH spike to 8.5+ breaks epoxy-hybrid bonds. Here's the technical spec and t…

Wardrobe sliding shutters and the thermal-expansion stack: why 7mm lacquered glass breaks the hinge in summer
A wardrobe shutter that binds mid-summer isn't a defect—it's a spec error. Here's the thermal-expansion math that keeps hinges loaded within…

Lacquered-glass wardrobe shutters and the 6am east-light saturation peak: why colour shifts before noon
A lacquered wardrobe shutter catches the 6am east light in Indiranagar and appears one colour; by 9am it has shifted. Architects need to und…

Mirror in a Bangalore steam shower: why IP65 adhesive fails at 95% RH without substrate priming
A mirror in a steam shower at 95% RH will delaminate within six months without substrate priming. Here's the adhesive spec that works in Ban…

Antique-mirror substrate adhesion over old tile in a Rajajinagar powder room: when epoxy-hybrid beats silicone at the tile-grout boundary
Installing antique mirror over 20-year-old tile backsplash fails when silicone wicks moisture through grout. Epoxy-hybrid adhesive cures che…

Frameless shower glass and the thermal-shock micro-fracture: why winter closure cycles demand thicker panels than summer expansion in Bangalore's monsoon retrofit
Bangalore's winter-to-monsoon temperature swings create thermal stress at the sealant joint before the glass itself fails. Architects specif…