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SIG-MRGypsum plaster
PlastoPlusOne-coat gypsum plaster
Gypbond ProBonding agent
Pro Max boardGypsum board

Company

AboutSince 2002
ResourcesGypsum plaster explained
DownloadsData sheets and test reports
ContactKharghar, Navi Mumbai

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SIG-MR

SIG-MR · One-coat gypsum plaster

One bag.
27 sq ft.

Measured on site. Not in a lab.

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27
sq ft
one 25 kg bag · 13 mm

The highlights.

27 sq ft.
One bag.
25 kg bag, 13 mm thick. Measured on a site wall, losses included.
93%+ white.
Less putty. Brighter paint.
15 minutes.
Or up to 30, made to order.
No water curing.
Plaster today. No watering after.
Faster site.
No curing wait before the next trade.
Does not burn.
Gypsum is non-combustible.
Lighter.
Less load than sand-cement plaster.
Low heat flow.
Gypsum conducts little heat.
One coat.
6 to 20 mm in a single coat.
NABL tested.
Eight results against IS 2547.
QR on every bag.
Scan it. Read the test report.
Made at Panvel.
Since 2021.

The finish

White. Flat. Smooth.

A white plastered room
White.
A straightedge on a plastered wall
Flat.
A trowelled plaster surface, close up
Smooth.

Illustrations.

Compare

Fewer bags.
Same wall.

1,000 sq ft at 13 mm.

SIG-MR
38
bags · 950 kg
Buildon One Coat
55
bags · 1,375 kg

17 fewer bags. 425 kg less to carry up.

Get a quote for 38 bagsEnter your own plaster, area or thickness ›

Ours is from a wall.

Gyproc and JK print “lab conditions” on their own sheets. We measured 27 sq ft on a site, losses included.

Plaster
Wall from one kilo, sq ft
Whiteness
SIG-MR
1.08
93%+
Gyproc Elite 100
1.08
—
PlastoPlus
1.00
93%+
Gyproc Elite 90
0.96
—
Magicrete Elite
0.85–0.92
—
Gyproc Elite MR
0.88
—
Gyproc Xpert+
0.88
—
Buildon One Coat
0.74
92%
Buildon Classic
0.74
70–80%
Buildon Imported
0.74
85%
Buildon Master
0.74
85%
Gujarat gypsum plaster
0.70–0.75
75–85%
Rajasthan gypsum plaster
0.70–0.75
65–75%
Walplast GypEx Silver Plus
0.62–0.77
> 85%
JK GypsoMaxX 301
0.62–0.68
approx. 90%
JK GypsoMaxX 101
0.49–0.55
approx. 94%

Other brands: as each one publishes. — means no figure is published. A range is drawn at its midpoint. Rajasthan and Gujarat plasters are unbranded: their figures are what we see in the market (14 to 15 sq ft from a 20 kg bag).

Whiteness

A whiter base needs less putty and gives paint a brighter colour.

The same yellow paint on a SIG-MR base and on a greyer Rajasthan or Gujarat base
SIG-MR base
Rajasthan / Gujarat base
93%+
whiteness.
The same paint on both.

Illustration; no brand is shown. Less putty and a brighter colour are what we see on site.

Setting time

15 minutes.
Or 30, to order.

Tell us the set time with your quantity.

0
10
15 standard
30 to order

Green: the IS 2547 range, 10 to 30 minutes. Final set of a test sample. Site time depends on water, batch and weather.

A setting-time test on a plaster sample

Strength

Sets solid.

Over 8 times the IS 2547 minimum in the bending test.

4.23N/mm²

Transverse strength, average of six bars. IS 2547 minimum: 0.49 N/mm². NABL report.

A plaster bar in a bending-test press

Fineness

Fine powder.
Smooth trowel.

Under 2 parts in 100 stay on the sieve. The standard allows 5.

1.65%

Left on a 150 µm sieve. IS 2547 limit: 5%. NABL report.

Plaster powder on a test sieve

On the wall

On Mivan, Gypbond Pro first.

Brick and AAC block: plaster directly.

Gypbond Pro rolled on a concrete wall
On block, with no bonding coat, about
1N/mm²
Pull-off strength on hollow block at 35 days. NABL report: 0.96 N/mm², the average of three cores.
On Mivan and RCC, Gypbond Pro goes on first. See Gypbond Pro ›
01
Clean
No dust. No oil.
02
Prime
Mivan and RCC only.
03
Measure
1 water : 1.25 plaster.
04
Mix
Until smooth.
05
Apply
One coat. 6–20 mm.
06
Finish
Level. Trowel.

Properties

Twelve properties.
All measured.

Green is the allowed band. The dot is SIG-MR.

Whiteness
93%+
A brighter base for paint.
ReflectanceCompany test
Setting time
15min
Up to 30, made to order.
IS 2547: 10–30 minNABL report
Bending strength
4.23N/mm²
Over 8 times the IS minimum.
IS 2547: ≥ 0.49NABL report
Fineness
1.65%
Left on a 150 µm sieve. Lower is finer.
IS 2547: ≤ 5%NABL report
Surface hardness
3.9mm
Ball indentation. In the final-coat band.
IS 2547: 3.0–4.5 mmNABL report
Expansion
0.10%
Barely moves as it sets.
IS 2547: ≤ 0.2%NABL report
pH
≈ 7
Neutral.
Our range: 6–8Company test
Bulk density
720kg/m³
Untapped powder.
Our range: 600–800Company test
Heat on setting
≈ 50°C
Peak temperature as it sets.
Our range: 48–53Company test
Sulphur trioxide
56.18%
High gypsum content.
IS 2547: ≥ 35%NABL report
Calcium oxide
38.15%
Above two-thirds of SO₃.
IS 2547: ≥ 37.45%NABL report
Loss on ignition
6.18%
Inside the band.
IS 2547: 4–9%NABL report
All 13 reports ›
The latest result of each test. Strength, hardness, fineness, setting and expansion are from one sample, July 2026.

On every bag

Scan the bag.
Read its test.

The QR code on every bag opens the test certificate of that batch.

Test certificate
SIG-MR series · Batch GPX5V11MR · 09/26
AppearanceFree-flowing powder
Whiteness96%
Initial setting2 min
Final setting20 min
Workability18 min
pH7
Exothermic temperature50.5 °C
Dry bulk density720 kg/m³
The results of one batch, as on its certificate. Open this certificate ›

Your wall. Your plaster.

Check it yourself.

Enter your plaster. See the bags and the cost.

SIG-MR
Bag25 kg
Coverage27 sq ft at 13 mm
Bags—
Plaster—
Cost of this wall—
Cost per sq ft—
Bags—
Plaster—
Cost of this wall—
Cost per sq ft—

Enter the coverage of your plaster.

We show no prices: you type the price you were quoted. Bags are whole bags. Coverage at another thickness is scaled in proportion. SIG-MR: 27 sq ft from a 25 kg bag at 13 mm, measured on site.

Packs

Three packs. One plaster.

SIG-MR-25 bag
SIG-MR-25
25 kg
SIG-MR-20 bag
SIG-MR-20
20 kg
SIG-MR-15 bag
SIG-MR-15
15 kg
₹5 to ₹100
Coupon inside every bag.
Scan it in our Quick Cash app. More than 1,000 contractors use it. Get the app ›
Get a quoteWhatsApp 7400 1800 20

Made at Panvel since 2021. Supplied ex-factory to any place. No minimum order.