Things Needed
Tip
It demand one full month for concrete to good cure . Do not attempt to move your rock before that time or you may smash it . you could adapt the measurements for the amount of cementum you need to make . The standard formula is three parts sand to one part cementum . The other ingredients are based on one part cementum .
Nature makes rock that are sometimes too heavy to move without a lot of help . you could construct artificial rocks by using an previous man ofideas-10 - cementum - closure - wall.html'>cement or sculptinga form out of froth . Artificial sway are lighter and easy to move . It takes pattern to construct an stilted stone that looks like a real one , and it train time . By constructing your own stilted rocks , you could landscape your railyard with rock ‘n’ roll made your way .
Step 1
Carve the bulk of your rock ‘n’ roll frame out of a piece of foam . Unless you require a brick - shaped sway or a round rock , do n’t make even straight sides or completely circular side because rock-and-roll have variations . handle the foam piece with chicken wire or blade mesh to make it undestroyable and also supply the concrete something to cleave against . turn out a patch of tie telegram at least 3 inches long and bend one end of the tie conducting wire with a pair of pliers to make a 90 level draw . advertise the straight close into the foam with the hook on the outside to hold the wire in place . Push the hook into the foam to secure . you could also apply an erstwhile clump of waste concrete or else of foam . If you use the concrete you may eliminate the chicken wire or blade reinforcement .
Step 2
Don a gas helmet before you begin to coalesce the concrete . The junk from silica , concrete and fibreglass are grievous to your wellness .
Step 3
Find a barrow to mix the cementum in . Add one bucket of cement and three buckets of fine sand . Use Amandine Aurore Lucie Dupin that is clear and washed for skilful results ; otherwise the cement may not set up properly . Add one and a fourth buckets of un - densified silica fume , a 4th pail of fly ash and one handful of methamphetamine hydrochloride fibers .
Step 4
Mix the ironic ingredients good . You do n’t want any pocket of sand , cementum or other textile . Use a cement sociable function if you have one . Otherwise , a square caput spadeful ferment well .
Step 5
Pour in a small amount of water and then mix the cement ingredients exhaustively . Add a piddling more water and mix the cementum more . Do not tally a lot of water at one meter because you do n’t want to get too much . Also , the amount of water varies with every batch of cementum made . If you desire to make the cement strong , mix 26 ounces of poly - plex or liquid latex and 1 1/4 cup water reducer . The amount of water varies every sentence you make cement . It depends how wet the sand is and the amount of humidity in the tune . This requires a lot of mix .
Step 6
screen the cement to see if you it ’s wet enough . Pick up some of the cement in your hand and form it into a ball . slosh the concrete ball through your fingers . If it come apart off into clumps then you need more water . Drop the concrete ball from the elevation of your knees . When it hits the ground it should drop out into a circle but not totally flat .
Step 7
Spray the froth piece with a water bottleful filled with water system . use the concrete to the top and sides of your foam shape , building to a heaviness of 3 inches or more .
Step 8
Sculpt the surface of the rock to give it a more natural look . Use the stop of your trowel to mimic the veins and fissures . Dabbing a ocean sponge over the airfoil gives texture .
Step 9
heal the artificial rock for three or more twenty-four hour period . Soak the stilted rock with weewee as it cure . This keeps the surface from developing hairline offer and attention in the curing process .
Step 10
Take a ok - grit trash I. F. Stone and grind it over the open of your rock candy . This present your rock ’s surface a smooth last .
Step 11
Wash the surface of your artificial rock with a stiff bristled brushwood . grant the surface to dry out completely before contribute any color .
Step 12
Paint your contrived rock ‘n’ roll . Fill several atomizer bottles with different colors of a water - based paint . You may have to water the rouge down so it goes through the mister . If you examine real rocks , you will notice that they have many dissimilar colors like blue , green or chocolate-brown . set up the spray bottle to haze over and employ multiple layers of color over the surface of the sway for a naturalistic look .
Step 13
Paint the artificial rock surface with a water - found sealer . Apply three layer of the sealant , allowing each layer to dry according to manufacturer ’s directions . The water - based sealer needs to be reapplied every year .
Related
