28 Aluminum P ipe S uperior c orr osion/abr asion r esistanc e f or harsh en vir onmen ts . AI L ’ s Corr ugated Aluminum P ipe pr oducts hav e a lo ng histor y of pr o v en per f or mance with pr edictable ser vice lif e expectancies of o v er 75 y ears when instal led in the r eco mmended soil /water en vir o nment. It f eatur es an aluminum al lo y cor e c la d o n both sides with al lo y 7072 whic h is anodic to the cor e al lo y – pr otecting it both p h y sic al l y and electr oc hemic al l y against corr osio n and abr asio n. Tis co mbinatio n takes ful l a dvantag e of the pr otectiv e o xide flm that r e-f or ms immediatel y if the sur fa ce is scr atc hed. AI L ’ s Aluminum Corr ugated P ipe is available in the same pr ofles and with the same fttings and a ccessor ies as our Corr ugated S teel P ipe . Standar d and S pecial F ittings S tandar d CSP fttings suc h as tees, elbo ws, wy es, r educers and sa dd le br anc hes ar e of er ed f or the ful l r ang e of pipe siz es to meet an y nor mal design cr iter ia. In a dditio n to the standar d line of CSP fttings, special fttings inc luding manholes and c atc h basins ar e also r ea dil y available and c an be fabr ic ated f or special applic atio ns. AI L pipe f eatur es univ ersal annular corr ugated ends, so a var iet y of couplings ma y be used f or the P ipe and P ipe- Ar c h. T w o t y pes of couplers ar e r eco mmended: S tandar d Annular Cor r ug ated Coupler : Te standar d annular corr ugated coupler , ftted with bolt and angle atta c hments, seats snugl y o nto the pipe-end corr ugatio ns, and is suitable f or most g ener al- pur pose applic atio ns. Dimpled Coupling Band: Tis coupler is used wher e helic al and / or annular corr ugated pipe ends ar e to be coupled. Dimpled couplers ar e available with steel angles or with w edg e co nnectors. c orruga t ed P ipe g uider ail S yst em AI L ’ s light w eight and easy-to-instal l G uider ail S y stem is ideal f or r oa d dividers and barr iers, br idg e appr oa c hes and r ailings, cur v es and other highwa y haz ar ds, and f or tr afc dir ectio n. G uider ail is manufa ctur ed to the highest specifc atio ns and al l co mpo nents ar e gal vaniz ed. g eot e x tiles W e of er a co mpr ehensiv e line of Geotextiles inc luding w o v en and no n-w o v en fabr ics f or soil stabiliz atio n and r einf or cement, er osio n co ntr ol, dr ainag e , fltr atio n, separ atio n and other needs. r ela t ed P r oduc ts T alk t o an AIL T echnic al S ales Repr esen ta tiv e . 1-877-245-7473 ail .c a