Suspension systems

T24 and T15 suspension grid for Armstrong-type ceilings

The T24/T15 grid is the base of every Armstrong-type ceiling: it carries 600×600 metal cassettes and Grilyato GL15 panels. It is assembled from 3.6 m main tees, 1.2 and 0.6 m cross tees, wall angle and hangers.

Price: from AMD 5,000/m²
Load: 11.11–13.89 kg/m²
Tees: 3600, 1200, 600 mm

Get a quote WhatsAppPrice: from AMD 5,000/m²

T24 suspension grid for an Armstrong-type ceiling in an office

About the system

Standard T24 is the most common system: easy installation, optimal geometry-to-thickness ratio and a reinforced lock. Load capacity 11.11 kg/m².

Premium T24 and Premium T15 are galvanized systems with higher strength and corrosion resistance, load capacity 13.89 kg/m². T15 is for Grilyato GL15 and a slim visible grid.

All tees have double stitching and overlap joints; the one-piece lock lets Standard and Premium tees connect to each other. The main tee has a fire expansion relief that prevents the grid from collapsing in a fire.

Price — from AMD 5,000 per m². Volume pricing for contractors and retailers.

Specifications

System comparison

Parameter	Standard T24	Premium T24	Premium T15
Material	coated steel	galvanized steel	galvanized steel
Flange width	24 mm	24 mm	15 mm
Height 3.6 / 1.2 / 0.6 m	32 / 25 / 25 mm	32 / 25 / 25 mm	32 / 25 / 25 mm
Load capacity (layout 1)	11.11 kg/m²	13.89 kg/m²	13.89 kg/m²
Combustibility	non-combustible	non-combustible	non-combustible

Operating conditions

Temperature	up to +90 °C
Humidity	dry, normal; wet areas — Premium with extra coating
Colours	white, gold, silver, chrome, black
Warranty	10 years

Consumption per 1 m² by layout

Layout	3.6 m tee	1.2 m tee	0.6 m tee	Hanger
No. 1 — 600×600 cells, mains at 1200 mm	0.84 lm	1.67 lm	0.84 lm	0.7 pcs
No. 2 — 600×600 cells, mains at 600 mm	1.67 lm	—	1.67 lm	1.4 pcs
No. 3 — 1200×600 cells, mains at 1200 mm	0.84 lm	1.67 lm	—	0.7 pcs
No. 4 — 600×1200 cells, mains at 600 mm	1.67 lm	—	0.84 lm	1.4 pcs

Layouts are shown in the drawings below. Wall angle along the perimeter; add 5%.

Layouts 1–4

Layout 1 is the standard for 600×600 cells. Layout 2 doubles the main tees and hangers for a stiffer grid. Layouts 3 and 4 are for 600×1200 modules.

No. 1: mains at 1200 mm, 1.2 m cross tees at 600 mm, 0.6 m in the middle — 600×600

No. 2: mains at 600 mm, 0.6 m cross tees at 600 mm — 600×600

No. 3: mains at 1200 mm, 1.2 m cross tees at 600 mm — 1200×600

No. 4: mains at 600 mm, 0.6 m cross tees at 1200 mm — 600×1200

Tee and accessories

T24 main tee: lock, stitching, stiffening rib, fire relief — Main tee: overlap joint, stiffening rib, stitching, fire relief, one-piece lock

Ceiling hanger — Galvanized hanger: 500 mm standard, 500–3000 mm to order

Wall angle 19×19 and 19×24, 3000 mm long

Installing the grid

Armstrong-type ceiling installation on T24 grid — Main tees 3.6 m, cross tees 1.2 and 0.6 m, hangers at max 1200 mm

Prepare the ceiling void: fix all services so that nothing rests on the suspended ceiling grid.
Draw a room plan and a ceiling layout before installation so that the ceiling is symmetrical to the walls and the cut modules at the edges are equal.
Mark a level line around the perimeter (height as per design) and fix the wall angle at max 350 mm centres. The angle level sets the ceiling height. Mitre the angle at 45° in corners; on straight runs butt-joint it and fix each end. Cut with metal snips. Also fix the angle to columns and other elements the ceiling abuts.
Set out the 3.6 m main tees per the chosen layout (1200 mm apart for layout 1) and hang them at 1200 mm centres; first hanger max 300 mm from the wall, extra hanger max 150 mm from joints. Hanger fixings in the slab must lie exactly on the axis of the main runner: no offset across the axis; along the axis a deviation of up to 45° either way is allowed.
Join main tees with the end locks, then level them to the wall angle.
Insert 1.2 m cross tees into the main tees, at 600 mm centres, then 0.6 m tees into the 1.2 m tees — a 600×600 grid. For a 600×1200 module use layout 3 or 4.

ImportantLight fittings, sensors, AC cassettes and any other equipment visible on the ceiling face must hang from their own hangers. Never load the grid or fix to ducts and other services.