Helidon Quarry Sandstone

Premium Australian Sandstone

Phone: 0437 592 616

Specifications and Block Tolerance Guide

Grade Descriptions of Helidon Quarry Sandstone

Sandstone Block Tolerance

Sandstone Block ToleranceSandstone is selected and finished to a criteria by saw trimming, cutting and/or drilling.

The overall size, tolerances in measurement and type of surface are described below in the various 'grades' supplied by Helidon Sandstone direct from the Queensland quarry.

A Grade Sandstone Blocks

Specifications

• 5 - 6 Sawn sides

• The tolerances for A grade are +-30mm for face height, +-100mm for depth and +-150 for length

• Length 900mm - 1100mm

A Grade Blocks Description

A Grade Blocks are the most uniform in shape and size with a tidy face

B Grade Premium [Select] Sandstone Blocks

Specifications

• 4 - 5 sawn sides

• Tolerances for B premium are +-75mm for face height, +-150mm for depth and +-200mm for length

• Length 800mm - 1200mm

B Grade Premium Blocks Description

One 500 B Grade Premium block may have a face height of 450mm and the next block may have a face height of 550mm.

B Grade Premium Blocks can:-

• Be slightly out of square

• Have chipped off corners and/or pieces off the sawn face

• Have "dog ears"

B Grade Sandstone Blocks

Specifications

• 2 - 4 sawn sides

• Tolerances for B grade are +-100mm for face height, +-200mm for depth and +-500mm for length

• Length 500mm - 1500mm

B Grade Regular Blocks Description

B Grade is a by-product we accumulate as we cut B Grade Premium and A Grade. They are often not rectangular in shape and the ends can be tapered and un-sawn.

A standard load of 500 B Grade can consist of blocks that range anywhere between 400-600mm in face height, though we try to get as close to 500mm as possible. Some blocks may be wedge shaped. This is next grade up from blocky random.

Random Sandstone Boulders

Specifications

• 600-800mm (approx)

• 300-600mm (approx)

• up to 300mm (approx - man hand able 1 and 2 man lift)

Random Sandstone Boulders Description

10 tonne of Random Boulders is approximately 9 lineal meter wall at one metre high.

 

• e-Mail us to helidonsandstone@gmail.com

• PHONE 0437 592 616 •

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