Universal Arch

When low rise arches are required in brickwork above openings, the Keystone Universal Arch provides the ideal former for the bricklayer. Vacuum-formed from white pigmented impact resistant polystyrene.

Suitable for use in cavity walls and with timber frame construction, the unit is designed to sit on any steel lintel with an outer flange of 90mm to 95mm.

Universal Arch Selector

 

Opening Sizes Nominal Arch Span Arch Rise Keystone Reference
450 – 500 475 75 AB 475 P
600 – 650 625 75 AB 625 P
650 – 700 675 75 AB 675 P
700 – 750 725 75 AB 725 P
800 – 850 825 75 AB 825 P
900 – 950 925 75 AB 925 P
1000 – 1050 1025 75 AB 1025 P
1100 – 1150 1125 75 AB 1125 P
1200 – 1250 1225 75 AB 1225 P
1300 – 1350 1325 75 AB 1325 P
1450 – 1500 1475 75 AB 1475 P
1500 – 1550 1525 75 AB 1525 P
1600 – 1650 1625 75 AB 1625 P
1650 – 1700 1675 75 AB 1675 P
1750 – 1800 1775 75 AB 1775 P
1900 – 1950 1925 150 AB 1925 P
1950 – 2000 1975 150 AB 1975 P
2100 – 2150 2125 150 AB 2125 P
2200 – 2250 2225 150 AB 2225 P
2300 – 2350 2325 150 AB 2325 P
2400 – 2450 2425 150 AB 2425 P
2550 – 2600 2575 150 AB 2575 P
2700 – 2750 2725 150 AB 2725 P

Feature Plate Lintel

A feature plate can be supplied on all lintel profiles
to suit 50-165mm wide cavities.

Example specification:
S/K-90 (FP)

Cant Brick Lintel

The Cant brick Lintel can be supplied to suit all Lintel
profiles for 50-165mm wide cavities.

Example specification:
S/K-90 (CB 55/60mm)

Stepped Lintel

All cavity lintels in the Keystone range can be stepped
to suit your requirements.

Example specification:
S/K-90 (20mm step)

Standard step = 20mmCan be stepped to suit.

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