Hilti RM 800 User Manual
R
M 800 PC Cement Repair Mortar 7.2.4
C
onstruction Chemicals
Construction Chemicals
RM 800 PC Cement Repair Mortar 7.2.4
Listings, Approvals
& Testing Standards
ASTM C 928
7.2.4.2 Material
Specifications
Working Time
5 mins at 75°F (24°C)
1
et Time (ASTM C 266)
S
Initial (Hrs:Min): 0:20
Final (Hrs:Min): 0:30
Flexural Strength
(ASTM C 580) 28 Days
800 psi
Compressive Strength
(ASTM C 109)
3 hrs . . . . . . . . . . . .3000 psi
1 day . . . . . . . . . . . .6000 psi
28 days . . . . . . . . . .7000 psi
Percentage Length Change
(ASTM C 157)
Air-cured . . . . . . .–0.06 max
Moist-cured . . . . .+0.06 max
Resistance to deicing salts
(ASTM C 672)
(10% Calcium Chloride Solution) 25
cycles - 2 Rating
Water Absorption (ASTM C 642)
9.8%
Freeze-Thaw Resistance, 3000 cycles
(ASTM C 666, Procedure A)
88% Dynamic modulus
Flow, 5 min (ASTM C 109)
135%
Color
Concrete gray
7.2.4.1 Product Description
RM 800 PC is a fast setting concrete
patching material which exhibits high
early strength. RM 800 PC is a
self-bonding patching compound
blended with special cements and
additives. No bonding agents are
required. RM 800 PC can accept
ehicular traffic in three hours and its
v
performance exceeds the requirements
of ASTM C 928 for very rapid hardening
material for concrete repair.
Product Features
• DOT approved (Tennesse &
Mississippi)
• Self-bonding, requires no bonding
agents or primers
• Minimizes downtime
• Pre-blended; just add water
• Suitable for vehicular traffic
in 3 hours at 70°F (21°C)
• Initial set time 20 minutes,
final set time 30 minutes
7.2.4.3 Installation Data
Basic Use
RM 800 PC is suitable for repair of
damaged concrete on parking
structures, airport runways, warehouse
floors and loading docks. It can also be
used for setting posts, railing and
parking meters.
Coverage
One 50 lb (22.7 kg) bucket yields 0.42 ft
(0.011 m3) and covers approximately 10
2
ft
when applied 1/2" (13 mm) thick.
Limitations
RM 800 PC is designed for use on
horizontal surfaces in thicknesses from
1/2" to 8".
3
Hilti, Inc. (US) 1-800-879-8000 | www
.us.hilti.com
7.2.4.4 Installation Instructions
Surface Preparation
The damaged area should be prepared
by back-cutting, or sawing of a vertical
edge. This preparation should be
performed in a manner which pr
damage to the surr
ounding concrete.
Loose scale or dust must be r
events
emoved
using compressed air or water blasting,
leaving only clean, sound concr
ete. The
area to be repaired should be saturated
with water, but there should be no
puddles pr
I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www
esent.
Mixing
RM 800 PC may be mixed in a mortar
mixer
mixing paddle. Measure 3 quarts of
potable water and add to the mixer or
bucket, then add RM 800 PC and
a medium speed for 3
time is approximately 10 minutes at
F (24
°
75
the temperature increases. Do Not mix
more product than you can place in 10
minutes. Clean mixer or mixing paddle
with water between mixes and after last
mix, to avoid build-up of product.
, or in a bucket with a drill and a
mix at
minutes. Working
C), and becomes shorter as
°
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echnical Guide 2006 333
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7
.2.5 CG 200 PC Cementitious Grout
C
onstruction Chemicals
Construction Chemicals
7.2.4 RM 800 PC Cement Repair Mortar
• Do Not add excessive amounts of
water
• Do Not mix more than can be used
in 10 minutes
Up to 1 lb of cement colorant may
•
be added to color patch
Application
ir, mix and substrate temperatures
A
should be between 40°F (4°C) and 90°F
Installation Instructions
1.Score concrete
around damaged area at a
slight backward
angle to a minimum depth of
1/2" using Hilti
Dry Diamond
Blade.
2.Expose fresh
concrete surface and chip
out edges to a
depth of 1/2"
using a Hilti
Combihammer
(Hilti TE 56 suggested) and
chisel or bushing head.
Remove dust
and debris with
vacuum or
compressed air.
3 Saturate pre-
pared area with
water. Add 2
quarts of
potable water
to an empty 5
gallon pail.
Slowly add
powdered RM
800PC and mix
using a drill (or
equivalent) and
a mixing paddle
(sold below)
until free of
lumps. Add an
additional quart
of water, alternating with
remaining powder, until entire
contents have
been
thoroughly
blended.
(32°C) during repair and for 24 hours
fterward. Place RM 800 PC in the area
a
to be repaired, filling flush
with surrounding concrete, and
consolidate during placement by
rodding. Surface is ready for brooming
or texturing in 20 to 30 minutes.
Do Not use in vertical or
•
overhead surfaces
4. After removing
excess water
from prepared
area, Using a
trowel, place
5.Finish patch
with trowel.
Protect patch
from traffic until
cured.
mortar and
push into all
corners and
edges.
Storage Life
One year from date of manufacture, in
riginal, unopened container.
o
Maintenance
RM 800 PC may be cleaned with most
floor cleaning detergents. Aggressive
solvents should be avoided.
CAUTION: Contains Silicon
Dioxide, Portland Cement and
Calcium Hydroxide.
Your skin may be sensitive
to cement. Wearing rubber gloves
is recommended. Avoid contact
with eyes or prolonged contact
with skin. In case of contact, flush
thoroughly with water.
For eyes, flush with clean water
for at least 15 minutes and get
prompt medical attention.
Keep out of reach
of children.
Estimating Formula*
Number of Units Required =
(L * W * (D
ave
/ 12)) / Y
od
pr
L = length of void in feet
W = width of void in feet
D
= ave. depth of void in inches
ave
Y
= Yield for product
prod
Estimated Yield for Repair Mortars
& Grout (Yprod) in ft
3
Product Yprod
RM 800 PC
0.420
* Numbers are approximate and
assume no waste.
7.2.4.5 Ordering Information
RM 800 PC is packaged in convenient, reclosable plastic pails, containing 50 lb
(22.7 kg) of product.
Item No. Description Size
00020270 RM 800 PC 50 lb pail
00024155
334 Hilti, Inc. (US) 1-800-879-8000 | www
Stainless Steel Paddle Mixer smooth shank
Specially designed for repair mortar. Use with Jacobs style chuck.
.us.hilti.com
I en español 1-800-879-5000 I Hilti (Canada) Corp. 1-800-363-4458 I www
.ca.hilti.com
I Pr
echnical Guide 2006
oduct T
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