Square Hole and Slotted

Light duty drainage gratings and ventilation grilles. these cast iron gratings come in two patterns, the plain square holed pattern and a slotted design.

The slotted design is available in 3" and 6" widths, whilst the square hole pattern in 24" lengths is available from stock in widths of 4", 5", 6", 7" and 8".  Although we don't have photographs of every square hole grate , the 4" wide has 3 rows of holes (see photo on the right) and the 5" has 4 rows, the 6" has 5 rows, the 7" has 6 rows and the 8" has 7 rows.

Square holes are 15mm x 15mm and the 6" slotted grates have 14mm slots.

Items are supplied undrilled. Please let us know if you require them drilled .

24 inch long Grates SQUARE HOLE

ITEM - SHG4  24" x 4" Conservatory Floor Grate Cast Iron - Square Hole £99.99 In Stock

ITEM -SHG5  24" x 5" Conservatory Floor Grate Cast Iron - Square Hole £119.99 In Stock

ITEM -SHG6  24" x 6" Conservatory Floor Grate Cast Iron - Square Hole £129.99 In Stock

ITEM -SHG7  24" x 7" Conservatory Floor Grate Cast Iron - Square Hole £139.99 In Stock

ITEM - SHG8  24" x 8" Conservatory Floor Grate Cast Iron - Square Hole £149.99 In Stock 24 inch long Grates SLOTTED ITEM -SLOT24x3  24" x 3" Conservatory Floor Grate Cast Iron - Square Hole £129.99 In Stock ITEM -SLOT24x6  24" x 6" Conservatory Floor Grate Cast Iron - Square Hole £129.99 In Stock

Square Hole and Slotted Specs - 24" long

1/2" thick grate specifications
Weight and Free Air Flow

Square Hole
4 inch x 24 inch  = 3KG and 14,000 mm2
5 inch x 24 inch  = 4KG and 19,000 mm2
6 inch x 24 inch  = 5KG and 27,000 mm2
7 inch x 24 inch  = 5.5KG and 32,000 mm2
8 inch x 24 inch  = 6.5KG and 37,000 mm2

Slotted

3 inch x 24 inch  = 3KG and 14,000 mm2
6 inch x 24 inch  = 5KG and 29,000 mm2

Floor Grates - Plain Patterns

Square Hole in widths 4", 5", 6", 7" and 8"
Slotted in width 6"

4 inch x 24 inch grate





Below - 6 inch x 24 inch slotted grate

Below - 3 inch x 24 inch slotted grate