Notes from the atelier
The Vetrova blog.
On glass, hardware, and the rooms we work in. Indian context, made to the millimetre.
Pergola glass in a north-facing Rajajinagar courtyard: why 5mm tinted outperforms 8mm clear when diffusion loss matters more than heat gain
A north courtyard in Rajajinagar shows why tinted 5mm glass outperforms standard 8mm clear—the numbers on visible-light transmittance and so…
Glass-and-steel railing on a Sarjapur Road south-facing balcony: thermal expansion and the joint-gap tolerance at 45°C summer peak
Steel expands more than glass in Bangalore's 45°C summer peak. A Sarjapur south-facing railing demands a 5mm joint tolerance—not 4mm—to prev…
Floating glass shelves in a Basavanagudi dressing room: why the 280mm unsupported span holds half-load but fails at full, and the bracket-spacing spec architects revise
A Basavanagudi dressing room reveals why unsupported span matters more than glass thickness. The 280mm shelf holds half-load in testing but …
Frameless shower glass at the niche corner: why perpendicular sealant joints demand thicker panels in a Bellandur ensuite
When the sealant joint runs perpendicular to the glass edge—not parallel—the stress concentration doubles. Here's why 10mm toughened becomes…
Lacquered-glass wardrobe shutters under north light in Sadashivanagar: why edge-banding colour shifts at dusk, not dawn
North light reads neutral at midday, but the angle drops at dusk. A lacquered shutter's edge-banding reveals this shift—and matte finishes h…
Antique-mirror grout-line sealing before monsoon in a Rajajinagar kitchen: the epoxy vs. silicone protocol architects miss
Silicone fails on back-painted mirror grout lines when monsoon humidity hits. Epoxy holds—but only if sealed before June. The protocol archi…
Back-painted glass backsplash substrate prep on existing tile in a Frazer Town kitchen: when adhesive tolerance breaks the spec
Retrofitting a back-painted backsplash over subway tile looks simple until adhesive tolerance stacks. Here's the substrate spec that prevent…
Glass-and-steel railing newel-post bolting tolerance stack: why the 40mm sphere rule demands oversized holes on a Yelahanka spiral staircase
The NBC sphere rule is tight. When you bolt a steel post to the newel on a tight spiral, tolerance stacks: 2mm on the glass hole, 1.5mm on t…
Backlit mirror cavity thermal management in a Koramangala powder room: why LED strip placement breaks the adhesive spec
A backlit mirror cavity that looks perfect on the elevation can fail by month four if the LED strip sits too close to the mirror back. Therm…
Frameless glass partition acoustic rating in a Domlur open-plan: the decibel trade-off when a full wall isn't an option
A frameless partition feels elegant but acoustic reality demands calculation. Here's how to spec acoustic performance in an open-plan, and w…
Tinted-glass pergola SHGC vs. VLT: when solar heat gain conflicts with daylighting in a west-facing Indiranagar courtyard
Architects often specify one number and ignore the other. This material breakdown shows how to read the datasheet, calculate the trade-off f…
Floating glass shelves in a Basavanagudi dressing room: why the 300mm unsupported span fails under half-load, not full
A Basavanagudi dressing room shelf fails not under full load, but under half. The reason lies in asymmetric bracket spacing and unsupported …
Glass-and-steel staircase railing at the newel post: why the bolting tolerance stacks on a Yelahanka townhouse spiral
A 3mm variance in newel height on a spiral staircase will break your glass-to-steel bolting pattern. This spec walkthrough shows how to meas…
Antique-mirror sealing for Bangalore hard water: why the grout protocol changes when you specify a back-painted backsplash instead
Antique mirror installations on back-painted glass backsplashes behave differently under Bangalore's hard water than traditional tile substr…
Feature wall in a north-facing Domlur living room: why 5mm low-iron glass outperforms 8mm standard under indirect monsoon light
North-facing living rooms in Bangalore receive diffuse indirect light year-round. Standard clear glass appears grey-green under this constra…
Frameless shower glass joint creep in Bangalore's monsoon: why sealant movement breaks the spec before water does
When humidity peaks in June, silicone sealant in a frameless enclosure expands unpredictably. This is how to spec the movement tolerance int…
Pergola glass thermal expansion in a Devanahalli west courtyard: why the 4mm summer gap closes completely by October monsoon
A 4mm joint gap specified for summer heat closes completely during monsoon contraction. Here's the material science and site protocol every …
Glass-and-steel railing deflection proof: how to read the wind-tunnel report an architect needs for a Bellandur 18th-floor balcony
A working guide for architects reviewing deflection and wind-load test reports for glass railings on high-rise balconies in Bangalore. What …