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

SmartGlass condensation on the interior pane: why humidity inside the cavity breaks the dimming relay before exterior fogging does in a Hennur retrofit
SmartGlass failures in Bangalore retrofits don't start at the exterior seal—they begin in the air gap. When cavity humidity peaks during mon…

Low-iron glass edge-colour in a north-facing Domlur feature wall: the green-tint paradox under monsoon diffuse light and why sample approval at noon fails
Low-iron glass specified for a north-facing feature wall paradoxically appears greener under monsoon overcast than under midday sun. Underst…

Brushed-brass hardware tarnish timeline on a Koramangala frameless enclosure: TDS mapping, water hardness and the finish-protection spec architects skip
Brushed-brass hardware on a Koramangala frameless enclosure will tarnish visibly within four months if the post-install passivation protocol…

Back-painted glass backsplash and the substrate-curvature stack: why 3mm drywall deflection breaks adhesion before induction heat does in a Frazer Town kitchen
A back-painted glass backsplash in Frazer Town fails not at the hob, but where old drywall curves. Substrate deflection shears the bond-line…

Pool-mosaic grout-line width in a Banashankari lap pool: why 2.5mm epoxy-hybrid outlasts 3mm silicone when chlorine pH spikes post-monsoon
A Banashankari lap pool with 3mm silicone grout fails by March. The neighbouring spec with 2.5mm epoxy-hybrid survives through May. Here's w…

Pergola glass panel replacement mid-monsoon in a Marathahalli courtyard: thermal-gap closure and why the retrofit spec differs from the original design
A pergola installed in June with 5mm summer gaps closes completely by monsoon. When a panel cracks mid-August, the replacement won't fit the…

Wardrobe sliding-shutter overlap tolerance and the soft-close hydraulic creep: when 5mm stack exceeds hinge load rating in a Bellandur retrofit
Soft-close hinges on lacquered-glass wardrobe shutters fail not from impact—they fail from creep when the door-overlap tolerance stacks beyo…

Reflected ceiling plan for a backlit lacquered-glass feature wall in a Sadashivanagar living room: why the electrical rough-in placement breaks the diffusion spec
A north-facing Sadashivanagar feature wall with 10mm fluted glass reveals uneven LED diffusion at handover. The electrical rough-in was plac…

Frameless shower glass and the monsoon thermal-shock joint: why summer sealant specs fail in winter closure cycles
When a frameless shower joint sealed in June shrinks by November, the tolerance stack has failed. Bangalore's monsoon-to-winter thermal cycl…

Tinted-glass pergola and the October wind-speed shift: why Bangalore's autumn thermal pattern changes the deflection spec
Post-monsoon temperature drop in Bangalore triggers a wind-speed pattern that standard load tables miss. Here's how to read the data and spe…

Pool-mosaic grout and the pH 8.5 spike: why Bangalore's post-monsoon chlorine rebound breaks standard epoxy-hybrid by March
Bangalore's water chemistry swings 0.8 pH points between October and April. Chlorine rebound in March hits epoxy-hybrid grout harder than wi…

Glass-and-steel railing on a sloped Devanahalli balcony: when the 40mm sphere rule and 3-degree pitch collide at the newel base
A 3-degree pitch on a Devanahalli balcony means your newel base sits at an angle. The NBC sphere test doesn't account for this. Here's how t…

Antique-mirror installation over tile in a Rajajinagar kitchen: why substrate prep beats adhesive choice when the grout is 30 years old
A Rajajinagar kitchen's aged tile substrate demanded surface opening before any mirror adhesive would grip. Why substrate prep beats adhesiv…

Backlit feature wall cavity depth for a 220mm recess in a west-facing Bellandur bedroom: why standard 150mm LED placement fails
A 220mm wall cavity should mean even light diffusion. But standard 150mm LED placement leaves hot spots when afternoon sun floods a west-fac…

Lacquered-glass wardrobe shutters and the 6am colour-shift window: why east-facing Indiranagar gloss level matters in the first hour of daylight
Morning light hits lacquered glass differently than afternoon light. In east-facing Indiranagar, the gloss choice made at spec stage determi…

SmartGlass dimming and the monsoon relay hesitation: why humidity inside the control panel breaks the 0.5-second tint cycle
During Bangalore's monsoon months, humidity inside control panels adds 1–2 seconds to SmartGlass tint cycles. The relay hesitation traces to…

Back-painted glass backsplash and the induction-coil thermal bloom: why adhesive fails before paint cracks in a Frazer Town retrofit kitchen
A Frazer Town retrofit kitchen with back-painted glass and induction heat: why adhesive fails before paint cracks, and how to specify the ri…

Frameless shower niche and the 45-degree corner joint: why perpendicular sealant lines demand thicker glass in a Hennur ensuite
A 45-degree corner joint runs perpendicular to water flow. When sealant creeps under pressure, 8mm toughened glass isn't enough. Here's why …